T-68 tram
E275296
The T-68 tram was a type of light rail vehicle used on Greater Manchester’s Metrolink system in the UK before being replaced by newer models.
All labels observed (2)
| Label | Occurrences |
|---|---|
| T-68 tram canonical | 1 |
| T-68A tram | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2502598 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: T-68 tram Context triple: [Metrolink, formerRollingStock, T-68 tram]
-
A.
SL95 tram
The SL95 tram is a high-floor, bi-directional tram model used in Oslo, Norway, known for its large capacity and operation on the city’s light rail and tram network.
-
B.
LM-93 tram
The LM-93 tram is a Russian-built light rail vehicle model commonly used in city tram and metrotram systems such as the Volgograd Metrotram.
-
C.
SL79 tram
The SL79 tram is a class of articulated light rail vehicles used for passenger service on the Oslo Tramway network in Norway.
-
D.
M5000 tram
The M5000 tram is a modern light-rail vehicle used across the Manchester Metrolink network as its primary fleet for urban passenger services.
-
E.
Alstom Citadis tram
The Alstom Citadis tram is a family of modern low-floor light rail vehicles widely used in urban tram networks around the world.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: T-68 tram Target entity description: The T-68 tram was a type of light rail vehicle used on Greater Manchester’s Metrolink system in the UK before being replaced by newer models.
-
A.
SL95 tram
The SL95 tram is a high-floor, bi-directional tram model used in Oslo, Norway, known for its large capacity and operation on the city’s light rail and tram network.
-
B.
LM-93 tram
The LM-93 tram is a Russian-built light rail vehicle model commonly used in city tram and metrotram systems such as the Volgograd Metrotram.
-
C.
SL79 tram
The SL79 tram is a class of articulated light rail vehicles used for passenger service on the Oslo Tramway network in Norway.
-
D.
M5000 tram
The M5000 tram is a modern light-rail vehicle used across the Manchester Metrolink network as its primary fleet for urban passenger services.
-
E.
Alstom Citadis tram
The Alstom Citadis tram is a family of modern low-floor light rail vehicles widely used in urban tram networks around the world.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
electric multiple unit
ⓘ
light rail vehicle ⓘ tram ⓘ |
| builtInCountry | Italy ⓘ |
| category |
Manchester Metrolink rolling stock
ⓘ
Tram vehicles of the United Kingdom ⓘ |
| controlType | driver-operated ⓘ |
| country | United Kingdom ⓘ |
| designedFor |
on-street and segregated operation
ⓘ
street running ⓘ |
| designOrigin | based on Italian light rail designs ⓘ |
| doorConfiguration | doors on both sides ⓘ |
| electricSystem | 750 V DC overhead ⓘ |
| enteredService | 1992 ⓘ |
| fleetNumbers | 1001–1026 ⓘ |
| gauge | standard gauge ⓘ |
| heritage | first generation of Metrolink trams ⓘ |
| introducedOnSystem | 1992 ⓘ |
| lowFloorPercentage | partial low-floor ⓘ |
| manufacturer |
Ansaldo
ⓘ
linked to:
AnsaldoBreda
Firema ⓘ |
| network |
Greater Manchester Metrolink
ⓘ
linked to:
Manchester Metrolink
|
| notableFor | being the original fleet of Manchester Metrolink ⓘ |
| numberBuilt | 26 ⓘ |
| operatedBy |
Greater Manchester Passenger Transport Executive (initially)
ⓘ
linked to:
Transport for Greater Manchester
subsequent Metrolink franchise operators ⓘ |
| operatedIn | Greater Manchester ⓘ |
| operator | Metrolink ⓘ |
| powerSupply | overhead line ⓘ |
| propulsion | electric traction motors ⓘ |
| replacedBy | M5000 tram ⓘ |
| safetySystem | line-of-sight operation ⓘ |
| serviceArea |
Altrincham
ⓘ
Bury ⓘ Eccles ⓘ Manchester city centre ⓘ |
| serviceDuration | approximately 22 years ⓘ |
| status | withdrawn ⓘ |
| succeededByClass |
Bombardier Flexity Swift M5000
ⓘ
linked to:
Bombardier Flexity Swift
|
| trackGauge | 1435 mm ⓘ |
| usedInCity | Manchester ⓘ |
| usedOn | Manchester Metrolink ⓘ |
| usedOnLine |
Altrincham Line
ⓘ
Bury Line ⓘ Eccles Line ⓘ MediaCityUK branch (initially limited) ⓘ |
| vehicleType | bi-directional ⓘ |
| withdrawnFromService | 2014 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: T-68 tram Description of subject: The T-68 tram was a type of light rail vehicle used on Greater Manchester’s Metrolink system in the UK before being replaced by newer models.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: T-68 tram